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Finding the Fourth Proportional to 333.30, 495.88 and 326.82

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Solution

The fourth proportional to 333.30, 495.88 and 326.82 is: 486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.30 : 495.88 = 326.82 : x
  2. Step 2: Convert to fraction form
    333.30/495.88 = 326.82/x
  3. Step 3: Cross multiply
    333.30x = 495.88 × 326.82
  4. Step 4: Simplify right side
    333.30x = 162,063.50
  5. Step 5: Solve for x
    x = 162,063.50/333.30
  6. Step 6: Final answer
    x = 486.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.